Maverick Oil & Gas, Inc. Sample Contracts

EXECUTION VERSION STOCK PURCHASE AGREEMENT, DATED AS OF APRIL 6, 2005
Stock Purchase Agreement • April 12th, 2005 • Maverick Oil & Gas, Inc. • Gold and silver ores • Texas
FORM OF ESCROW AGREEMENT
Escrow Agreement • June 23rd, 2006 • Maverick Oil & Gas, Inc. • Crude petroleum & natural gas • New York
DEFINITIONS
Securities Purchase Agreement • November 1st, 2005 • Maverick Oil & Gas, Inc. • Gold and silver ores • Texas
Article III GOVERNING LAW AND ARTICLES OF INCORPORATION OF SURVIVING CORPORATION
Merger Agreement • December 23rd, 2004 • Maverick Oil & Gas, Inc. • Gold and silver ores
WITNESSETH:
Guaranty • December 23rd, 2004 • Maverick Oil & Gas, Inc. • Gold and silver ores • Texas
FORM OF REGISTRATION RIGHTS AGREEMENT
Registration Rights Agreement • November 20th, 2006 • Maverick Oil & Gas, Inc. • Crude petroleum & natural gas • New York
FORM OF SECURITY AGREEMENT
Security Agreement • January 9th, 2006 • Maverick Oil & Gas, Inc. • Gold and silver ores • New York
STOCK OPTION AGREEMENT UNDER THE MAVERICK OIL AND GAS, INC. 2005 STOCK INCENTIVE PLAN (the "Plan")
Stock Option Agreement • March 15th, 2005 • Maverick Oil & Gas, Inc. • Gold and silver ores • Florida
FORM OF PLEDGE AND SECURITY AGREEMENT
Pledge and Security Agreement • November 20th, 2006 • Maverick Oil & Gas, Inc. • Crude petroleum & natural gas • New York
OPERATING AGREEMENT OF RBE, LLC (A Delaware Limited Liability Company)
Operating Agreement • December 23rd, 2004 • Maverick Oil & Gas, Inc. • Gold and silver ores • Delaware
AMENDMENT TO THE OPERATING AGREEMENT OF MAVERICK BASIN EXPLORATION, LLC
Operating Agreement • December 23rd, 2004 • Maverick Oil & Gas, Inc. • Gold and silver ores

THIS AMENDMENT to the Operating Agreement of MAVERICK BASIN EXPLORATION, LLC, a Delaware Limited Liability Company, ("Operating Agreement") is entered into and shall be effective this 6th day of August, 2004, among Maverick Oil and Gas, Inc.("Maverick") (the "Class A Member"), Touchstone Resources USA, Inc. ("Touchstone") (the "Class B Member"), and PHT Gas, LLC ("PHT") (the "Class C Member") (collectively the "Members").

WARRANTS
Warrant Agreement • December 23rd, 2004 • Maverick Oil & Gas, Inc. • Gold and silver ores • Texas
ARTICLE I
Interest Purchase Agreement • December 23rd, 2004 • Maverick Oil & Gas, Inc. • Gold and silver ores • Nevada
WITNESSETH:
LLC Interest Purchase Agreement • March 15th, 2005 • Maverick Oil & Gas, Inc. • Gold and silver ores • Florida
OPERATING AGREEMENT OF MAVERICK BASIN EXPLORATION, LLC
Operating Agreement • December 23rd, 2004 • Maverick Oil & Gas, Inc. • Gold and silver ores • Delaware
WITNESSETH:
Registration Rights Agreement • March 15th, 2005 • Maverick Oil & Gas, Inc. • Gold and silver ores
FORM OF REGISTRATION RIGHTS AGREEMENT
Registration Rights Agreement • August 3rd, 2007 • Maverick Oil & Gas, Inc. • Crude petroleum & natural gas • New York

REGISTRATION RIGHTS AGREEMENT (this “Agreement”), dated as of July 30, 2007, by and among Maverick Oil and Gas, Inc., a Nevada corporation, with headquarters located at 16415 Addison Road, Suite 850, Addison, Texas 75001-5332 (the “Company”), and the undersigned buyers (each, a “Buyer”, and collectively, the “Buyers”).

TRIDENT GROWTH FUND, L.P. 700 Gemini, Ste 100 Houston, Texas 77058 November 15, 2005
Warrant to Purchase Common Stock • November 29th, 2005 • Maverick Oil & Gas, Inc. • Gold and silver ores • Texas

This letter agreement shall constitute a formal amendment to the Warrant to evidence the agreement of the Parties that, upon Maverick's repayment of the 12% Senior Secured Debenture to Trident, Section 5 of the Warrant, entitled "Covenants" shall be of no further force or effect, and the Warrant shall be interpreted thereafter as if no such covenants remain in effect. In all other respects, the Warrant shall remain in full force and effect.

EXHIBIT 10.3 OPTION EXTENSION AGREEMENT
Option Extension Agreement • October 15th, 2003 • Waterloo Ventures Inc • Gold and silver ores

Pursuant to an option agreement dated as of August 21, 2002, Klondike Bay Resources ("KB") granted to Waterloo Ventures, Inc., an option to acquire an interest in the Property (the "Agreement"). This letter confirms that in and for the sum of $1000 U.S.D., the receipt of which is hereby acknowledged, KB has agreed to amend the terms of the Agreement by deleting the reference to "August 31, 2003" in section 2.1(B) and inserting "August 31, 2004" and further by deleting the reference to "August 31, 2004" in section 2.1(C) and inserting "August 31, 2005", and further by deleting the reference to "August 31, 2003" in section 2.1(C) and inserting "August 31, 2004". The remainder of the Agreement shall remain in full force and effect.

MAVERICK OIL AND GAS, INC. 16415 Addison Road, Suite 850 Addison, Texas 75001-5332 July 30, 2007
Securities Exchange Agreement • August 3rd, 2007 • Maverick Oil & Gas, Inc. • Crude petroleum & natural gas

This letter has been prepared in connection with the transactions contemplated by the Securities Exchange Agreement dated the date hereof (the "Securities Exchange Agreement") by and among Maverick Oil and Gas, Inc. (the "Company") and [the Investors] (the "Investors") to confirm certain matters relating to:

November 16, 2006
Securities Purchase Agreement • November 20th, 2006 • Maverick Oil & Gas, Inc. • Crude petroleum & natural gas

This letter has been prepared in connection with the transactions contemplated by the Securities Purchase Agreement dated the date hereof (the "New Securities Purchase Agreement") by and among Maverick Oil and Gas, Inc. (the "Company"), to confirm certain matters relating to:

AGREEMENT OF SALE AND PURCHASE by and between RBE, LLC (Seller) and PIONEER NATURAL RESOURCES USA, INC. (Buyer) Dated: February 28, 2007
Agreement of Sale and Purchase • March 6th, 2007 • Maverick Oil & Gas, Inc. • Crude petroleum & natural gas • Texas

THIS AGREEMENT (“Agreement”) dated February 28, 2007 by and between RBE, LLC (herein called “Seller”) and Pioneer Natural Resources USA, Inc. (herein called “Buyer”) (Seller and Buyer are sometimes referred to collectively as the “Parties” and each a “Party”);